Re: Firewall Configuration in Redhat 9.0

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Well, you have a couple of problems:

You don't want to trust eth0, by trustung eth0 ( your only network card
) you are basically disabling the firewall from that interface.

Dominic Rivera
(503) 947-7308
dominic.rivera@xxxxxxxxxxx

>>> jessem@xxxxxxxxxxxxxxxx 10/20/03 04:00PM >>>

I've been having some trouble opening and closing ports. Basically, I
want to close of all ports except 22 for ssh and 3 other ports to do
some testing with openmosix. No matter what I do though, the ports
that
I want open stay closed and the ports that I want closed are open.
(Mostly)

Port       State       Service
22/tcp     open        ssh
25/tcp     open        smtp
111/tcp    open        sunrpc
139/tcp    open        netbios-ssn
505/tcp    open        mailbox-lm
631/tcp    open        ipp
885/tcp    open        unknown
4660/tcp   open        unknown
6000/tcp   open        X11
9158/tcp   open        unknown
10000/tcp  open        snet-sensor-mgmt
32768/tcp  open        unknown
32769/tcp  open        unknown
32770/tcp  open        sometimes-rpc3

Looks like I don't even have a firewall activated.
redhat-config-securitylevel is set to medium. If I change it to hight
the same ports are open. Trusted device is set to my network card
(eth0)
nothing is checked except ssh and dhcp. Like I said above, I want a
couple other ports for open openmosix but, I have not "other ports"
section using redhat-config-securitylevel.

Other notes, I have iptables service enabled. It starts at boot. Also,
I
have tried to use iptables directly i.e iptables -A INPUT -p tcp ...
etc. Still nothing.

Thanks in advance.



-- 
Jesse Millan
CNS Server Team
Portland State University
Phone: (503) 725-3285
Fax:   (503) 725-6487
GPG key: www.system-calls.com/gpg.php 

I wouldn't be so paranoid if you weren't all out to get me!!


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